{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322149",
    "entityType": "User",
    "nonce": "0xbe186a3f32b68774aab970e6f3f7adcff39295dc48b2608e289a6c346451e71e",
    "signature": "0x28df8e2e00b4847273ca182fbfc41b290d643e13f00b2f1e7818e806af28ef42039c23bc96d8c8d384742a08575de3d1adaa389ddb0668eb829a286f5fd317121b",
    "signer": "0x8739aB96B52ccc56d0E5226Ff69659162d4269A9",
    "userId": "320952162"
  }
}